From 7941771d617a7df14319ade31ed30c69af27c2af Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Sun, 23 Apr 2017 10:09:18 +0100
Subject: [PATCH] Expand calls to at implementation

---
 .../boost/unordered/detail/implementation.hpp  | 14 --------------
 include/boost/unordered/unordered_map.hpp      | 18 ++++++++++++++++--
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/include/boost/unordered/detail/implementation.hpp b/include/boost/unordered/detail/implementation.hpp
index 599ec1c7..afbfb2a2 100644
--- a/include/boost/unordered/detail/implementation.hpp
+++ b/include/boost/unordered/detail/implementation.hpp
@@ -3759,20 +3759,6 @@ struct table_unique : boost::unordered::detail::table<Types>
         }
     }
 
-    // Accessors
-
-    value_type& at(const_key_type& k) const
-    {
-        if (this->size_) {
-            node_pointer n = this->find_node(k);
-            if (n)
-                return n->value();
-        }
-
-        boost::throw_exception(
-            std::out_of_range("Unable to find key in unordered_map."));
-    }
-
     // equals
 
     bool equals(table_unique const& other) const
diff --git a/include/boost/unordered/unordered_map.hpp b/include/boost/unordered/unordered_map.hpp
index 8deca06d..a55e2b5c 100644
--- a/include/boost/unordered/unordered_map.hpp
+++ b/include/boost/unordered/unordered_map.hpp
@@ -1723,14 +1723,28 @@ template <class K, class T, class H, class P, class A>
 typename unordered_map<K, T, H, P, A>::mapped_type&
 unordered_map<K, T, H, P, A>::at(const key_type& k)
 {
-    return table_.at(k).second;
+    if (table_.size_) {
+        node_pointer n = table_.find_node(k);
+        if (n)
+            return n->value().second;
+    }
+
+    boost::throw_exception(
+        std::out_of_range("Unable to find key in unordered_map."));
 }
 
 template <class K, class T, class H, class P, class A>
 typename unordered_map<K, T, H, P, A>::mapped_type const&
 unordered_map<K, T, H, P, A>::at(const key_type& k) const
 {
-    return table_.at(k).second;
+    if (table_.size_) {
+        node_pointer n = table_.find_node(k);
+        if (n)
+            return n->value().second;
+    }
+
+    boost::throw_exception(
+        std::out_of_range("Unable to find key in unordered_map."));
 }
 
 template <class K, class T, class H, class P, class A>